Company name: Western Power Electricity Compliance Manual Datasheet - Distribution Indicators 2016/17

Transcription

1 Economic Regulation Authority (WA) Company name: Western Power Electricity Compliance Manual Datasheet - Distribution Indicators 2016/17 IMPORTANT NOTICE FOR ELECTRICITY DISTRIBUTION LICENSEES Licensees should refer to the Electricity Distribution Licence Performance Reporting Handbook for information on the definitions of electricity distribution indicators, listed in these datasheets. Page 1 of 11

2 Distributor: Western Power Reporting Period: 2016/17 Network Reliability Indicator No. Reference Description NQR 1 NQR 2 NQR 3 NQR 4 NQR 5 NQR 6 Sch 1(5), item 5 Sch 1(5), item 5 The number of premises of small use customers to which the supply of electricity has been interrupted for more than 12 hours continuously The number of premises of small use customers to which the supply of electricity has been interrupted more than the permitted number of times, as is defined in section 12(1) {of the NQ&R Code} For each discrete area, the average length of interruption of supply to customer premises expressed in minutes Sch 1(11)(a), item 11(a) For each discrete area, the average number of interruptions of supply to customer premises Sch 1(11)(b), item 11(b) For each discrete area, the average percentage of time that electricity has been supplied to customer premises Sch 1(11)(c), item 11(c) For each discrete area, the average total length of all interruptions of supply to customer premises expressed in minutes Sch 1(11)(d), item 11(d) REFER TABLE 1 (below) REFER TABLE 1 (below) REFER TABLE 6 REFER TABLE 6 REFER TABLE 6 REFER TABLE 6 NQR 7 Overall SAIDI by Total Network, CBD, Urban, Short Rural and Long Rural NQR 8 NQR 9 Distribution Network (Planned) SAIDI by Total Network, CBD, Urban, Short Rural and Long Rural Distribution Network (Unplanned) SAIDI by Total Network, CBD, Urban, Short Rural and Long Rural Page 2 of 11

3 Network Reliability Indicator No. Reference Description NQR 10 Normalised distribution network SAIDI by Total Network, CBD, Urban, Short Rural and Long Rural NQR 11 Overall SAIFI by Total Network, CBD, Urban, Short Rural and Long Rural NQR 12 NQR 13 NQR 14 Distribution Network (Planned) SAIFI by Total Network, CBD, Urban, Short Rural and Long Rural Distribution Network (Unplanned) SAIFI by Total Network, CBD, Urban, Short Rural and Long Rural Normalised distribution network SAIFI by Total Network, CBD, Urban, Short Rural and Long Rural NQR 15 Overall CAIDI by Total Network, CBD, Urban, Short Rural and Long Rural NQR 16 NQR 17 Distribution Network (Planned) CAIDI by Total Network, CBD, Urban, Short Rural and Long Rural Distribution Network (Unplanned) CAIDI by Total Network, CBD, Urban, Short Rural and Long Rural NQR 18 Normalised distribution network CAIDI by Total Network, CBD, Urban, Short Rural and Long Rural Page 3 of 11

4 NQ&R - Network Reliability - Table 1 Perth CBD and Description Discrete Area Total Network the urban Other areas of areas the State combined Interruptions for more than 12 hours Number of premises interrupted continuously (Sch 1 section 5(a) NQ&R Code) Number of interruptions 43,794 1,625 More than the permitted number of interruptions (Sch 1 section 5(b) NQ&R Code) Premises interrupted more than 9 times in a year Premises interrupted more than 16 times in a year 7,166 3,344 - Network Reliability - Table 2 Description Discrete Area Total Network CBD Urban Short Rural Long Rural Overall SAIDI Distribution Network (Planned) Distribution Network (Unplanned) Normalised Distribution Network Overall SAIFI Distribution Network (Planned) Distribution Network (Unplanned) Normalised Distribution Network Overall CAIDI Distribution Network (Planned) Distribution Network (Unplanned) Normalised Distribution Network Page 4 of 11

5 Complaints Indicator No. NQR 19 NQR 20 NQR 21 Reference Sch 1(6) clause Sch 1(7) clause Sch 1(8) Description Total number of complaints received {that Part 2 or an instrument made under section 14(3) of the NQ&R Code has not been, or is not being, complied with} Total number of complaints received from customers in each of the discrete areas {that Part 2 or an instrument made under section 14(3) of the NQ&R Code has not been, or is not being, complied with} Total amount spent in addressing complaints {that Part 2 or an instrument made under section 14(3) of the NQ&R Code has not been, or is not being, complied with} other than by way of payment under sections 18 and 19 {of the NQ&R Code} Basis of Reporting Number Percentage Value ($) NQR 22 Total number of technical QoS complaints 2,245 NQR 23 Total number of technical QoS complaints that are low supply voltage complaints 156 NQR 24 Percentage of technical QoS complaints that are low supply voltage complaints 6.9% NQR 25 Total number of technical QoS complaints that are voltage dip complaints 18 NQR 26 Percentage of technical QoS complaints that are voltage dip complaints 0.8% NQR 27 Total number of technical QoS complaints that are voltage swell complaints 20 NQR 28 Percentage of technical QoS complaints that are voltage swell complaints 0.9% NQR 29 Total number of technical QoS complaints that are voltage spike complaints 6 NQR 30 Percentage of technical QoS complaints that are voltage spike complaints 0.3% NQR 31 Total number of technical QoS complaints that are waveform distortion complaints - NQR 32 Percentage of technical QoS complaints that are waveform distortion complaints 728 REFER TABLE 3 (below) $320,470 NQR 33 Total number of technical QoS complaints that are TV or radio interference complaints 80 NQR 34 Percentage of technical QoS complaints that are TV or radio interference complaints 3.6% NQR 35 Total number of technical QoS complaints that are noise from appliances complaints - NQR 36 Percentage of technical QoS complaints that are noise from appliances complaints NQR 37 Total number of technical QoS complaints that are other complaints 1,965 NQR 38 Percentage of technical QoS complaints that are other complaints 87.5% Page 5 of 11

6 Complaints Indicator No. Reference Description Breakdown of technical QoS complaints into the likely cause of problem that caused the complaint separated into: Network equipment faulty - Total Number Basis of Reporting Number Percentage Value ($) 150 Network equipment faulty - Percentage Network interference by NSP equipment - Total Number 4 6.7% Network interference by NSP equipment - Percentage 0.2% NQR 39 Network interference by another customer - Total Number Network interference by another customer - Percentage Network limitation - Total Number Network limitation - Percentage % 37.3% Customer internal problem - Total Number 230 Customer internal problem - Percentage 10.2% No problem identified - Total Number No problem identified - Percentage Environmental - Total Number Environmental - Percentage Other - Total Number % 1.2% Other - Percentage 5.6% NQ&R - Complaints - Table 3 Number of Complaints Discrete Area Received Perth CBD 2 Urban areas other than the Perth 419 CBD All other areas of the State 307 Total 728 Page 6 of 11

7 Compensation Payments Indicator Reference No. NQR 40 Description The number of payments made, and the total amount paid under section 18 of the NQ&R Code clause Sch 1(9) Basis of Reporting Number Percentage Value ($) 601 $12,020 $12,020 is indicative of $20 statutory payments. Western Power pays customers $50 i.e. an additional ex-gratia payment of $30 per occurrence. Total exgratia payments were $18,030 NQR 41 The number of payments made, and the total amount paid under section 19 of the NQ&R Code clause Sch 1(9) 13,289 $1,063,120 There were 13,289 payments of $80 made during 2016/17, totalling $1,063,120, for supply interruptions exceeding 12 hours Page 7 of 11

8 Network and Asset Information Indicator Reference No Description Basis of Reporting Number Percentage NQR 42 Number of metered supply points by feeder category (CBD, urban, short rural and long rural), reported against the categories of residential and non-residential customers and sub-transmission, high voltage and low voltage REFER TABLE 4A (below) NQR 43 Number of unmetered supply points, by type of feeder (CBD, urban, long rural and short rural) REFER TABLE 4B (below) NQR 44 NQR 45 Energy delivered (GWh) by type of feeder (CBD, urban, long rural and short rural) reported against the categories of residential and non-residential customers and subtransmission, high voltage and low voltage Line lengths by type of feeder (CBD, urban, long rural and short rural) reported against the categories of underground and overhead line categories and sub-transmission, high voltage and low voltage REFER TABLE 4C (below) REFER TABLE 5A (below) NQR 46 Number and total capacity of transformers, separated into sub-transmission and distribution REFER TABLE 5B (below) NQR 47 Total distribution losses (%) 3.23 NQR 48 Size of network service area (sq km) 255,064 NQR 49 Number of poles 778,561 NQR 50 Peak demand (MW) 2,988 Distribution poles only This is 15% lower than the 2015/16 Peak demand value (3,515MW) and is attributed to a moderate summer Page 8 of 11

9 CBD Urban Rural Short Rural Long 5,520 3,273 2,247 N/A 55 5, , ,610 67,804 N/A , , ,691 18,757 N/A ,314 96,848 77,188 19,660 N/A 51 96,797 Numbers across the feeder categories may have a different distribution from the previous year due to annual feeder assessment and reclassification Network & Asset Information - Table 4B Number of Un-metered Supply Points Total No. CBD Urban Rural Short Rural Long ,810 3,035 1,002 Network & Asset Information - Table 4A Number of Metered Supply Points Total No. By type of customer By supply voltage Feeder Category Residential Nonresidential ST HV LV Network & Asset Information - Table 4C Energy delivered (GWh) By type of customer By supply voltage Feeder Category Total GWh Residential Nonresidential ST HV LV CBD Urban Rural Short Rural Long ,063 3,492 5,572 2,432 6,631 2,994 1,298 1, ,068 1, Numbers across the feeder categories may have a different distribution from the previous year due to annual feeder assessment and reclassification Page 9 of 11

10 Business Descriptors - Table 5A Line length (km) Feeder Category CBD Urban Rural Short Rural Long By supply voltage Total km Underground Overhead ST HV LV N/A ,749 15,597 7,153 N/A 6,133 16,616 18,046 7,018 11,028 N/A 10,028 8,019 52,917 3,070 49,847 N/A 50,177 2,739 Numbers across the feeder categories may have a different distribution from the previous year due to annual feeder assessment and reclassification Business Descriptors - Table 5B Transformer Type Sub-transmission Distribution Number of Transformers N/A 68,560 Total capacity of Transformers N/A 10,104 MVA Page 10 of 11

11 Table 6 - Reliability Description The average length of interruption of supply to customer premises expressed in minutes The average number of interruptions of supply to customer premises The average percentage of time that electricity has been supplied to customer premises: The average total length of all interruptions of supply to customer premises expressed in minutes: Clause No. Discrete Area 2013/ / / /17 Sc1 (11)(a) Sc1 (11)(b) Sc1 (11)(c) Sc1 (11)(d) Perth CBD The urban areas other than the Perth CBD All other areas of the State Perth CBD The urban areas other than the Perth CBD All other areas of the State Perth CBD The urban areas other than the Perth CBD All other areas of the State Perth CBD The urban areas other than the Perth CBD All other areas of the State % % % % % % % % % % % % ,000 1, Page 11 of 11